{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["concept or principle", "process characterization", "process parameter", "manufacturing standard", "manufacturing process"], "input": "Since some processes can be slightly heterogeneous in nature , accounting for shrinkage may require careful preparation and difficult to precisely control ."}
{"concept or principle": ["processes", "heterogeneous", "shrinkage"], "process characterization": [], "process parameter": [], "manufacturing standard": [], "manufacturing process": []}